Finding the Fourth Proportional to 1,742,674.21, 2,615,034.42 and 731,718.42
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Solution
The fourth proportional to 1,742,674.21, 2,615,034.42 and 731,718.42 is: 1,098,007.21
Step by Step Solution
- Step 1: Write the proportion equation
1,742,674.21 : 2,615,034.42 = 731,718.42 : x - Step 2: Convert to fraction form
1,742,674.21/2,615,034.42 = 731,718.42/x - Step 3: Cross multiply
1,742,674.21x = 2,615,034.42 × 731,718.42 - Step 4: Simplify right side
1,742,674.21x = 1,913,468,854,048.02 - Step 5: Solve for x
x = 1,913,468,854,048.02/1,742,674.21 - Step 6: Final answer
x = 1,098,007.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.